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一、概况竖炉球团在我国是一项从无到有的新工艺。鞍山矿山设计研究院1958年就开始了工艺研究工作,1965年完成了半工业试验,给
First, the overview shaft furnace pellet in our country is a new technology from scratch. Anshan Mining Design and Research Institute in 1958 began the process of research work, completed the semi-industrial test in 1965, to